Russian president Vladimir Putin was caught chatting with his Chinese counterpart, Xi Jinping - about the light topic of organ transplants, and how they could let "us live younger and younger, and perhaps even achieve immortality." As ABC News reports, the comments were overheard on a hot mic attached to Putin's interpreter, who was translating his words into Mandarin at a parade in Beijing this week commemorating the end of World War II and showing off fearsome new Chinese military might.